bucket Key Enabled
Parameters
value
Specifies whether Amazon S3 should use an S3 Bucket Key with server-side encryption using KMS (SSE-KMS) for new objects in the bucket. Existing objects are not affected. Amazon S3 Express One Zone uses an S3 Bucket Key with SSE-KMS and S3 Bucket Key cannot be disabled. It's only allowed to set the BucketKeyEnabled element to true.